KR102551316B1 - 미모 채널에서의 고차 직교 진폭 변조 심볼들의 소프트 탐지를 위한 방법 및 장치 - Google Patents

미모 채널에서의 고차 직교 진폭 변조 심볼들의 소프트 탐지를 위한 방법 및 장치 Download PDF

Info

Publication number
KR102551316B1
KR102551316B1 KR1020160043582A KR20160043582A KR102551316B1 KR 102551316 B1 KR102551316 B1 KR 102551316B1 KR 1020160043582 A KR1020160043582 A KR 1020160043582A KR 20160043582 A KR20160043582 A KR 20160043582A KR 102551316 B1 KR102551316 B1 KR 102551316B1
Authority
KR
South Korea
Prior art keywords
mmse
candidate set
mean square
square error
prior information
Prior art date
Application number
KR1020160043582A
Other languages
English (en)
Korean (ko)
Other versions
KR20160126868A (ko
Inventor
모지타바 라마티
배동원
이정원
Original Assignee
삼성전자주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of KR20160126868A publication Critical patent/KR20160126868A/ko
Application granted granted Critical
Publication of KR102551316B1 publication Critical patent/KR102551316B1/ko

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
    • H03M13/3927—Log-Likelihood Ratio [LLR] computation by combination of forward and backward metrics into LLRs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03305—Joint sequence estimation and interference removal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03318—Provision of soft decisions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/0048—Decoding adapted to other signal detection operation in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Radio Transmission System (AREA)
KR1020160043582A 2015-04-24 2016-04-08 미모 채널에서의 고차 직교 진폭 변조 심볼들의 소프트 탐지를 위한 방법 및 장치 KR102551316B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562152366P 2015-04-24 2015-04-24
US62/152,366 2015-04-24
US201562250268P 2015-11-03 2015-11-03
US62/250,268 2015-11-03
US14/987,392 2016-01-04
US14/987,392 US9716601B2 (en) 2015-04-24 2016-01-04 Method and apparatus for soft detection of high order QAM symbols in MIMO channels

Publications (2)

Publication Number Publication Date
KR20160126868A KR20160126868A (ko) 2016-11-02
KR102551316B1 true KR102551316B1 (ko) 2023-07-05

Family

ID=57148165

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160043582A KR102551316B1 (ko) 2015-04-24 2016-04-08 미모 채널에서의 고차 직교 진폭 변조 심볼들의 소프트 탐지를 위한 방법 및 장치

Country Status (4)

Country Link
US (2) US9716601B2 (zh)
KR (1) KR102551316B1 (zh)
CN (1) CN106067869B (zh)
TW (1) TWI668978B (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170288933A1 (en) * 2016-03-30 2017-10-05 Intel IP Corporation Wireless signal receiver
TWI599183B (zh) * 2016-05-02 2017-09-11 瑞昱半導體股份有限公司 最大可能性偵測器與偵測方法
CN110505359B (zh) * 2018-05-18 2020-10-23 中国科学院上海高等研究院 无线广播通信系统中非均匀调制解调方法、系统、介质及终端
US10790929B2 (en) * 2018-10-12 2020-09-29 Samsung Electronics Co., Ltd. Nested lookup table for symbol detection with initial candidate reduction
KR102562314B1 (ko) * 2018-11-02 2023-08-01 삼성전자주식회사 후보 벡터 셋을 선택하는 mimo 수신기 및 이의 동작방법
EP3967096A1 (en) * 2019-05-10 2022-03-16 Interdigital Patent Holdings, Inc. Methods for supporting bss edge user transmissions
CN112260728B (zh) * 2020-10-10 2022-06-21 上海擎昆信息科技有限公司 一种信号检测方法及装置、电子设备、可读存储介质
US11469856B2 (en) 2021-02-19 2022-10-11 Ultralogic 6G, Llc Retransmission of selected message portions in 5G/6G
US11398876B2 (en) 2021-02-19 2022-07-26 Ultralogic 6G, Llc Error detection and correction in 5G/6G pulse-amplitude modulation
US11425744B2 (en) 2021-04-05 2022-08-23 Ultralogic 6G, Llc Cascaded scheduling requests for resource-efficient 5G and 6G
US11627592B2 (en) 2021-04-05 2023-04-11 Ultralogic 6G, Llc Resource-efficient polling and scheduling of 5G/6G uplink messages
US11956166B2 (en) * 2021-12-22 2024-04-09 T-Mobile Usa, Inc. Refarming telecommunications spectrum blocks in a telecommunications network
US11569873B1 (en) 2021-12-23 2023-01-31 Industrial Technology Research Institute MIMO signal symbol detection and search method, decoding circuit and receiving antenna system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080279298A1 (en) * 2007-05-10 2008-11-13 Comsys Communication & Signal Processing Ltd. Multiple-input multiple-output (mimo) detector incorporating efficient signal point search

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7154936B2 (en) * 2001-12-03 2006-12-26 Qualcomm, Incorporated Iterative detection and decoding for a MIMO-OFDM system
US7418051B2 (en) 2003-11-26 2008-08-26 Lucent Technologies Inc. Nonsystematic repeat-accumulate codes for encoding and decoding information in a communication system
EP1564908A1 (en) * 2003-12-23 2005-08-17 Telefonaktiebolaget LM Ericsson (publ) Advanced multi-sensor processing
US7489746B1 (en) 2004-04-22 2009-02-10 Qualcomm, Inc. MIMO receiver using maximum likelihood detector in combination with QR decomposition
US7583763B2 (en) 2005-02-07 2009-09-01 Mimopro Ltd. Multi input multi output wireless communication reception method and apparatus
US20070019756A1 (en) * 2005-07-25 2007-01-25 Navini Networks, Inc. Low complexity soft detection in multiple transmit and receive antenna systems with M-QAM modulations
US7852802B2 (en) * 2005-10-31 2010-12-14 Nec Laboratories America, Inc. Joint scheduling and grouping for SDMA systems
US7751506B2 (en) 2005-12-01 2010-07-06 Samsung Electronics Co., Ltd. Method for the soft bit metric calculation with linear MIMO detection for LDPC codes
US7817740B2 (en) 2006-02-09 2010-10-19 Broadcom Corporation Method and system for minimum mean squared error soft interference cancellation (MMSE-SIC) based suboptimal maximum likelihood (ML) detection for multiple input multiple output (MIMO) wireless system
US20070230608A1 (en) 2006-03-31 2007-10-04 Guangjie Li Method and apparatus for quasi maximum likelihood MIMO detection
US7720169B2 (en) 2007-05-10 2010-05-18 Ilan Reuven Multiple-input multiple-output (MIMO) detector incorporating efficient signal point search and soft information refinement
US8000422B2 (en) * 2007-06-12 2011-08-16 Samsung Electronics Co., Ltd. Apparatus and method for detecting signal in multiple-input multiple-output (MIMO) wireless communication system
KR101106684B1 (ko) * 2007-12-03 2012-01-18 삼성전자주식회사 다중 안테나 시스템의 수신 장치 및 방법
US8060811B2 (en) 2008-03-12 2011-11-15 Redline Communications, Inc. Low complexity optimal soft MIMO receiver
EP2134017B1 (en) 2008-05-09 2015-04-01 Vodafone Holding GmbH Method and system for data communication
KR101060875B1 (ko) * 2008-11-18 2011-08-31 주식회사 세아네트웍스 데이터 수신 방법 및 장치
US8532202B2 (en) 2008-12-12 2013-09-10 Qualcomm Incorporated Near soft-output maximum likelihood detection for multiple-input multiple-output systems using reduced list detection
US8223896B2 (en) * 2009-07-28 2012-07-17 Telefonaktiebolaget L M Ericsson (Publ) Soft bit value generation in a sequence estimator
US8300737B2 (en) * 2009-10-07 2012-10-30 Research In Motion Limited System and method for MIMO decoding
US8670508B2 (en) 2010-05-28 2014-03-11 Maxlinear, Inc. Method and system for a low-complexity soft-output MIMO detection
US8660217B2 (en) 2010-11-05 2014-02-25 Qualcomm Incorporated Methods and apparatus for low complexity soft-input soft-output group detection
WO2012117374A1 (en) * 2011-03-03 2012-09-07 Technion R&D Foundation Coherent and self - coherent signal processing techniques
US8774326B2 (en) 2011-04-08 2014-07-08 Samsung Electronics Co., Ltd. Receiver system and method of operation thereof
US8811545B2 (en) 2011-11-08 2014-08-19 Mitsubishi Electric Research Laboratories, Inc. Method for reducing interference in OFDM wireless networks
CN102739299B (zh) * 2012-06-28 2014-09-10 东南大学 一种用于长期演进家庭基站上行接收方案模式的切换方法
US9042493B2 (en) 2012-11-27 2015-05-26 Samsung Electronics Co., Ltd. Method and apparatus for iteratively detecting and decoding signal in communication system with multiple-input and multiple-out (MIMO) channel
KR101831002B1 (ko) 2013-01-18 2018-02-21 삼성전자주식회사 다중 안테나 시스템의 연판정 정보 생성 장치 및 방법
US9071316B2 (en) 2013-10-04 2015-06-30 Huawei Technologies Co., Ltd. Method for detection of symbols in communication signals
US9008240B1 (en) 2013-12-31 2015-04-14 Cambridge Silicon Radio Limited Near maximum likelihood spatial multiplexing receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080279298A1 (en) * 2007-05-10 2008-11-13 Comsys Communication & Signal Processing Ltd. Multiple-input multiple-output (mimo) detector incorporating efficient signal point search

Also Published As

Publication number Publication date
TWI668978B (zh) 2019-08-11
US20160315792A1 (en) 2016-10-27
CN106067869A (zh) 2016-11-02
CN106067869B (zh) 2020-08-14
KR20160126868A (ko) 2016-11-02
TW201644244A (zh) 2016-12-16
US9716601B2 (en) 2017-07-25
US10181967B2 (en) 2019-01-15
US20170288912A1 (en) 2017-10-05

Similar Documents

Publication Publication Date Title
KR102551316B1 (ko) 미모 채널에서의 고차 직교 진폭 변조 심볼들의 소프트 탐지를 위한 방법 및 장치
US11005697B2 (en) Orthogonal frequency-division multiplexing equalization using deep neural network
CN109314682A (zh) 正交时频空间调制信号的迭代二维均衡
US20140321521A1 (en) Link performance abstraction method and apparatus in a wireless communication system
US10291352B2 (en) Apparatus and method for transmitting and receiving signal in wireless communication system supporting hybrid automatic repeat request scheme
WO2015192704A1 (zh) 最大似然ml接收机数据处理的方法及装置
EP2382728A2 (en) Log-likelihood ratio algorithm for use in reducing co-channel interference in wireless communication systems
WO2013021973A1 (ja) 受信装置、受信方法、及び受信プログラム
US10581651B2 (en) Apparatus and method for transmitting/receiving signal in multi-carrier system
JP2009135929A (ja) コンステレーション簡略化装置及びその簡略化方法並びに受信機
US9768911B2 (en) System and method for designing constellations and use thereof
US10547487B1 (en) Integer non-uniform constellation for high-order QAM
US9860018B2 (en) Apparatus and method for performing channel decoding operation based on effective noise in mobile communication system
KR102460867B1 (ko) 소프트 슬라이서를 이용한 mimo 검출 시스템 및 방법
KR101650623B1 (ko) 가변적인 안테나 선택 및 공간 다중화를 수행하여 데이터를 전송하는 장치, 데이터를 전송하는 방법, 데이터를 수신하는 장치, 및 데이터를 수신하는 방법
US9509362B2 (en) Method and apparatus for handling modified constellation mapping using a soft demapper
WO2010103647A1 (ja) Ｍｉｍｏ受信方法
US10439742B2 (en) Device and method for performing channel decoding operation in communication system
US9258079B2 (en) Apparatus and method for generating soft-decision information in a multiple antenna system
KR20170043231A (ko) 다중 안테나 시스템에서 연판정 검출 방법 및 장치
Rahmati et al. Low complexity soft detection of high order QAM with prior information
US9191155B2 (en) Reception device, reception method, and program
US9197267B2 (en) Methods and apparatus for joint demodulation with max-log MAP (MLM)
KR101999776B1 (ko) 위상 및 주파수 오프셋에 강인한 자동 변조 분류 방법 및 장치
US20160036609A1 (en) Method and apparatus for transmitting/receiving data in wireless communication system supporting non-binary channel code

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right